1. Calcium is _______ reactive metal than sodium.
2.. An element having electronic configuration 2,8,1 is ________ reactive than an element having electronic configuration 2,8,3.
3.. Most of the metal have _______ melting point.
4. ________ is the best conductor of heat.
5.. _______ ia the abundant metal in the earth crust.
6.. _________ is the lighter metal.
7.. Metal are located on the _______ side and ________ of the perodic table .
8.. Metal unusually occur in ________ state.
9.. The process of giving a fine cotting of iron is know as __________.
10.. An ore is a ________ from which the _________ can be extracted.
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Explanation:
1. Calcium is a less reactive metal than sodium.
2. An element having electronic configuration 2,8,1 is less reactive than an element having electronic configuration 2,8,3.
3. Most of the metal have high melting point.
4. Mercury is the best conductor of heat.
5. Aluminium is the most abundant metal in the earth crust.
6. Microlattice is the lightest metal .
7. Metals are located on the left side of the perodic tablle.
8. Metal unusually occur in free state .
9. The process of giving a fine cotting of iron is know Galvanizing.
10. An ore is a combination of minerals from which the metals can be extracted .
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